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/*
* Copyright (c) 2013-2014 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifndef _RTEMS_SCORE_ASSERT_H
#define _RTEMS_SCORE_ASSERT_H
#include <rtems/score/basedefs.h>
#if defined( RTEMS_DEBUG )
#include <assert.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @brief Assertion similar to assert() controlled via RTEMS_DEBUG instead of
* NDEBUG.
*/
#if defined( RTEMS_DEBUG )
/**
* @brief Macro with method name used in assert output
*
* Given the variations in compilers and standards, we have to poke a bit.
*
* @note This is based on the code in newlib's assert.h.
*/
#ifndef __RTEMS_ASSERT_FUNCTION
/* Use g++'s demangled names in C++. */
#if defined __cplusplus && defined __GNUC__
#define __RTEMS_ASSERT_FUNCTION __PRETTY_FUNCTION__
/* C99 requires the use of __func__. */
#elif __STDC_VERSION__ >= 199901L
#define __RTEMS_ASSERT_FUNCTION __func__
/* Older versions of gcc don't have __func__ but can use __FUNCTION__. */
#elif __GNUC__ >= 2
#define __RTEMS_ASSERT_FUNCTION __FUNCTION__
/* failed to detect __func__ support. */
#else
#define __RTEMS_ASSERT_FUNCTION ((char *) 0)
#endif
#endif /* !__RTEMS_ASSERT_FUNCTION */
#if !defined( RTEMS_SCHEDSIM )
/* normal build is newlib. */
void __assert_func(const char *, int, const char *, const char *)
RTEMS_NO_RETURN;
#define _Assert( _e ) \
( ( _e ) ? \
( void ) 0 : \
__assert_func( __FILE__, __LINE__, __RTEMS_ASSERT_FUNCTION, #_e ) )
#elif defined(__linux__)
/* Scheduler simulator has only beed tested on glibc. */
#define _Assert( _e ) \
( ( _e ) ? \
( void ) 0 : \
__assert_fail( #_e, __FILE__, __LINE__, __RTEMS_ASSERT_FUNCTION ) )
#else
#error "Implement RTEMS assert support for this C Library"
#endif
#else
#define _Assert( _e ) ( ( void ) 0 )
#endif
/**
* @brief Like _Assert(), but only armed if RTEMS_SMP is defined.
*/
#if defined( RTEMS_SMP )
#define _SMP_Assert( _e ) _Assert( _e )
#else
#define _SMP_Assert( _e ) ( ( void ) 0 )
#endif
/**
* @brief Returns true if thread dispatching is allowed.
*
* Thread dispatching can be repressed via _Thread_Disable_dispatch() or
* _ISR_Disable().
*/
#if defined( RTEMS_DEBUG )
bool _Debug_Is_thread_dispatching_allowed( void );
#endif
/**
* @brief Returns true if the current thread of execution owns the giant lock.
*/
#if defined( RTEMS_DEBUG )
#if defined( RTEMS_SMP )
bool _Debug_Is_owner_of_giant( void );
#else
#define _Debug_Is_owner_of_giant() (true)
#endif
#endif
/**
* @brief Returns true if the current thread of execution owns the allocator
* mutex.
*/
#if defined( RTEMS_DEBUG )
bool _Debug_Is_owner_of_allocator( void );
#endif
/**
* @brief Asserts that this point is not reached during run-time.
*/
#if RTEMS_SCHEDSIM
#define _Assert_Not_reached()
#else
#define _Assert_Not_reached() _Assert( 0 )
#endif
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _RTEMS_SCORE_ASSERT_H */
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